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Universal External Battery pack design (PCB, Manufacturing)
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Engineering & Manufacturing > Product Design

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The client has made the following changes to the job.

Description
Date

Job canceled.

Nov 28, 2011
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Job Description

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  • Posted: Sun, Oct 23, 2011
  • Time Left: Closed
  • Location: Anywhere
  • Client prefers freelancers from:
    Anywhere

    You are still able to submit a proposal for this job.

    The client prefers freelancers from
    a different location.

    You're still able to submit a proposal for this job, regardless of your location.
  • Start: Immediately
  • Budget: Less than $500
  • Fixed Price Job
  • Elance Escrow Protection
  • U.S. freelancers must have W9
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I want to power a small desktop computer and monitor with a battery pack.
There are two ways to achieve this with existing products:

1. DC to DC PSU and an external battery pack: Good battery capacity and cost efficient but I canít monitor the battery information through the Windows OS.

2. DC UPS system: Does exactly what I need but with less battery capacity and higher price.

I need something in between the two above options: High power PSU, high power and capacity battery pack, and simpler software that mimics laptop ACPI power management.
I need someone who can give advices and design a custom battery pack from a manufacturerís point of view. I would like to use existing products that can be easily sourced as much as possible.
And yes, I know that I could just use a laptop so please donít give me that.

Required skills:
1. PCB design
2. Smart battery, battery management in mobile electronics
3. Windows OS Driver / Application
4. ATX PSU for PCs
5. Sourcing

Scope:
1. O...

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Job ID: 26743442
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